Page 1074 - SUBSEC October 2017_Neat

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01229020/KMS/SPEC 2017

Information Technology
Paper 02 – General Proficiency
Key and Mark Scheme
SPECIMEN PAPER

SO Question Key Mark
2.

(a)  Input Device(s), Central Processing Unit/CPU,
Memory, Secondary Storage, Output Device(s)
2
ANY 4 correct [2 marks]
ANY 2 or 3 correct [1 mark]
1 or 0 correct [0 marks]

(b)  Input Device(s) are computer system components
that feed data into a computer; CPU or Central
Processing Unit - is the hardware device in a
computer that executes all the instructions
from the software; Secondary Storage Devices –
refers to non-volatile storage devices, such as
hard disk drives; Output Devices – refers to 1
peripheral devices that allow processed
information or result to be converted into a
format that is available outside of the
computer system.

Any one correctly explained [1 mark]

(c) Local Area Network [1 mark] 1

(d)  He could check the currency [1] of the
information by looking at the date [1] of the
article/information to ensure that the
information is not so old that it is no longer
useful [1]; he could check for biases [1] – he
may need to look for objective sources [1] to
get information on product quality as a seller
may provide exaggerated views of the product
quality [1]; He could check to ensure that the 6
information is relevant [1] by checking to see
if information on prices, technical
specifications and delivery etc. are applicable
to the region in which the school is located.
[1]

ANY 2 reliability tests and correct discussion
(3 marks each as shown)

(e) (i) Merge [1] and center [1] 2

(ii) =B4*C4
1 mark Correct cells 2
1 mark for *

(iii) =Sum(D4:D13))
[1 for correct function and 1 for correct 2
parameter in the function]